Finding the Fourth Proportional to 157,637,165.80, 236,478,347.70 and 48,471,505.60
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Solution
The fourth proportional to 157,637,165.80, 236,478,347.70 and 48,471,505.60 is: 72,714,207.32
Step by Step Solution
- Step 1: Write the proportion equation
157,637,165.80 : 236,478,347.70 = 48,471,505.60 : x - Step 2: Convert to fraction form
157,637,165.80/236,478,347.70 = 48,471,505.60/x - Step 3: Cross multiply
157,637,165.80x = 236,478,347.70 × 48,471,505.60 - Step 4: Simplify right side
157,637,165.80x = 11,462,461,554,819,296 - Step 5: Solve for x
x = 11,462,461,554,819,296/157,637,165.80 - Step 6: Final answer
x = 72,714,207.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.